so_pru_sosend
error = so_pru_sosend(so, NULL, uio, NULL, NULL, msgflags, uio->uio_td);
error = so_pru_sosend(so, sa, auio, NULL, control, flags, td);
error = so_pru_sosend(fw3_sync_ctx.centre_socks[i],
error = so_pru_sosend(fw3_sync_ctx.centre_socks[i],
ret = so_pru_sosend(so->so_so4, sa, NULL /* uio */,
ret = so_pru_sosend(so->so_so6, sa, NULL /* uio */,
error = so_pru_sosend(so, sa, NULL, m, NULL, 0, td);
so_pru_sosend(so, NULL, NULL, m, NULL, flags, td)
error = so_pru_sosend(so, sendnam, NULL, top, NULL, flags,